Define rspec task if RSpec is defined
Define rspec task if RSpec is defined

pfaffle/serverspec,uroesch/serverspec,DarrellMozingo/serverspec,sergueik/serverspec,aschmidt75/serverspec,mekf/serverspec,ihassin/serverspec,ShawInnes/serverspec,Plus81/serverspec,RoboticCheese/serverspec,serverspec/serverspec,mizzy/serverspec,minimum2scp/serverspec,higanworks/serverspec,supertylerc/serverspec,elibus/serverspec,inokappa/serverspec,tacahilo/serverspec